[INFO] fetching crate errorfunctions 0.2.0...
[INFO] checking errorfunctions-0.2.0 against master#ceab6128fa48a616bfd3e3adf4bc80133b8ee223 for no-never-type-fallback
[INFO] extracting crate errorfunctions 0.2.0 into /workspace/builds/worker-6-tc1/source
[INFO] validating manifest of crates.io crate errorfunctions 0.2.0 on toolchain ceab6128fa48a616bfd3e3adf4bc80133b8ee223
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] removed /workspace/builds/worker-6-tc1/source/.cargo/config.toml
[INFO] started tweaking crates.io crate errorfunctions 0.2.0
[INFO] finished tweaking crates.io crate errorfunctions 0.2.0
[INFO] tweaked toml for crates.io crate errorfunctions 0.2.0 written to /workspace/builds/worker-6-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 9 packages
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 8aed584537e5979ca413468f2862880e8d541b50d33b4fd96a3fe3eb8e46ae2f
[INFO] running `Command { std: "docker" "start" "-a" "8aed584537e5979ca413468f2862880e8d541b50d33b4fd96a3fe3eb8e46ae2f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "8aed584537e5979ca413468f2862880e8d541b50d33b4fd96a3fe3eb8e46ae2f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8aed584537e5979ca413468f2862880e8d541b50d33b4fd96a3fe3eb8e46ae2f", kill_on_drop: false }`
[INFO] [stdout] 8aed584537e5979ca413468f2862880e8d541b50d33b4fd96a3fe3eb8e46ae2f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 6d1653ea1d8a7f2208080809f77d25ba2125fba52dbbabbb67876edc87daeed6
[INFO] running `Command { std: "docker" "start" "-a" "6d1653ea1d8a7f2208080809f77d25ba2125fba52dbbabbb67876edc87daeed6", kill_on_drop: false }`
[INFO] [stderr]    Compiling num-traits v0.2.18
[INFO] [stderr]    Compiling num-bigint v0.4.4
[INFO] [stderr]    Compiling num-rational v0.4.1
[INFO] [stderr]     Checking num-integer v0.1.46
[INFO] [stderr]     Checking num-complex v0.4.5
[INFO] [stderr]     Checking num-iter v0.1.44
[INFO] [stderr]     Checking num v0.4.1
[INFO] [stderr]     Checking errorfunctions v0.2.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: the item `relerr` is imported redundantly
[INFO] [stdout]    --> src/realerrorfunctions.rs:207:9
[INFO] [stdout]     |
[INFO] [stdout] 206 |     use super::*;
[INFO] [stdout]     |         -------- the item `relerr` is already imported here
[INFO] [stdout] 207 |     use crate::auxilliary::relerr;
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `relerr` is imported redundantly
[INFO] [stdout]    --> src/complexerrorfunctions.rs:770:9
[INFO] [stdout]     |
[INFO] [stdout] 769 |     use super::*;
[INFO] [stdout]     |         -------- the item `relerr` is already imported here
[INFO] [stdout] 770 |     use crate::auxilliary::relerr;
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 1.75s
[INFO] running `Command { std: "docker" "inspect" "6d1653ea1d8a7f2208080809f77d25ba2125fba52dbbabbb67876edc87daeed6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6d1653ea1d8a7f2208080809f77d25ba2125fba52dbbabbb67876edc87daeed6", kill_on_drop: false }`
[INFO] [stdout] 6d1653ea1d8a7f2208080809f77d25ba2125fba52dbbabbb67876edc87daeed6
[INFO] checking errorfunctions-0.2.0 against try#3a4bc97f6385a3aa300a4fd689b44350e54fd676 for no-never-type-fallback
[INFO] extracting crate errorfunctions 0.2.0 into /workspace/builds/worker-6-tc2/source
[INFO] validating manifest of crates.io crate errorfunctions 0.2.0 on toolchain 3a4bc97f6385a3aa300a4fd689b44350e54fd676
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+3a4bc97f6385a3aa300a4fd689b44350e54fd676" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] removed /workspace/builds/worker-6-tc2/source/.cargo/config.toml
[INFO] started tweaking crates.io crate errorfunctions 0.2.0
[INFO] finished tweaking crates.io crate errorfunctions 0.2.0
[INFO] tweaked toml for crates.io crate errorfunctions 0.2.0 written to /workspace/builds/worker-6-tc2/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+3a4bc97f6385a3aa300a4fd689b44350e54fd676" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+3a4bc97f6385a3aa300a4fd689b44350e54fd676" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+3a4bc97f6385a3aa300a4fd689b44350e54fd676" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] b0da42c06d9f99aff499169dcd8667a773c7120fe66f58ad116f50c8d863bc01
[INFO] running `Command { std: "docker" "start" "-a" "b0da42c06d9f99aff499169dcd8667a773c7120fe66f58ad116f50c8d863bc01", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b0da42c06d9f99aff499169dcd8667a773c7120fe66f58ad116f50c8d863bc01", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b0da42c06d9f99aff499169dcd8667a773c7120fe66f58ad116f50c8d863bc01", kill_on_drop: false }`
[INFO] [stdout] b0da42c06d9f99aff499169dcd8667a773c7120fe66f58ad116f50c8d863bc01
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+3a4bc97f6385a3aa300a4fd689b44350e54fd676" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 6803234a4ba92d67ee403734ec16f5ee2b9ef0d7a92ce83afe6849a45a16a6aa
[INFO] running `Command { std: "docker" "start" "-a" "6803234a4ba92d67ee403734ec16f5ee2b9ef0d7a92ce83afe6849a45a16a6aa", kill_on_drop: false }`
[INFO] [stderr]    Compiling num-traits v0.2.18
[INFO] [stderr]    Compiling num-bigint v0.4.4
[INFO] [stderr]    Compiling num-rational v0.4.1
[INFO] [stderr]     Checking num-integer v0.1.46
[INFO] [stderr]     Checking num-complex v0.4.5
[INFO] [stderr]     Checking num-iter v0.1.44
[INFO] [stderr]     Checking num v0.4.1
[INFO] [stderr]     Checking errorfunctions v0.2.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: the item `relerr` is imported redundantly
[INFO] [stdout]    --> src/realerrorfunctions.rs:207:9
[INFO] [stdout]     |
[INFO] [stdout] 206 |     use super::*;
[INFO] [stdout]     |         -------- the item `relerr` is already imported here
[INFO] [stdout] 207 |     use crate::auxilliary::relerr;
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `relerr` is imported redundantly
[INFO] [stdout]    --> src/complexerrorfunctions.rs:770:9
[INFO] [stdout]     |
[INFO] [stdout] 769 |     use super::*;
[INFO] [stdout]     |         -------- the item `relerr` is already imported here
[INFO] [stdout] 770 |     use crate::auxilliary::relerr;
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0282]: type annotations needed
[INFO] [stdout]    --> src/auxilliary.rs:176:5
[INFO] [stdout]     |
[INFO] [stdout] 176 | /     match y100_int {
[INFO] [stdout] 177 | |         0 => { return 0.28351593328822191546e-2 + (0.28494783221378400759e-2 + (0.14427470563276734183e-4 + (0.10939723080231588129e-6 + ...
[INFO] [stdout] 178 | |         1 => { return 0.85927161243940350562e-2 + (0.29085312941641339862e-2 + (0.15106783707725582090e-4 + (0.11716709978531327367e-6 + ...
[INFO] [stdout] 179 | |         2 => { return 0.14471159831187703054e-1 + (0.29703978970263836210e-2 + (0.15835096760173030976e-4 + (0.12574803383199211596e-6 + ...
[INFO] [stdout] ...   |
[INFO] [stdout] 284 | |         _ => return f64::NAN, // Since 0 <= y100 < 101, this is only reached if x is NaN, in which case we should return NaN
[INFO] [stdout] 285 | |     };
[INFO] [stdout]     | |_____^ cannot infer type
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0282]: type annotations needed
[INFO] [stdout]    --> src/auxilliary.rs:176:5
[INFO] [stdout]     |
[INFO] [stdout] 176 | /     match y100_int {
[INFO] [stdout] 177 | |         0 => { return 0.28351593328822191546e-2 + (0.28494783221378400759e-2 + (0.14427470563276734183e-4 + (0.10939723080231588129e-6 + ...
[INFO] [stdout] 178 | |         1 => { return 0.85927161243940350562e-2 + (0.29085312941641339862e-2 + (0.15106783707725582090e-4 + (0.11716709978531327367e-6 + ...
[INFO] [stdout] 179 | |         2 => { return 0.14471159831187703054e-1 + (0.29703978970263836210e-2 + (0.15835096760173030976e-4 + (0.12574803383199211596e-6 + ...
[INFO] [stdout] ...   |
[INFO] [stdout] 284 | |         _ => return f64::NAN, // Since 0 <= y100 < 101, this is only reached if x is NaN, in which case we should return NaN
[INFO] [stdout] 285 | |     };
[INFO] [stdout]     | |_____^ cannot infer type
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 1 previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0282`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `errorfunctions` (lib) due to 2 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] error: aborting due to 1 previous error; 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0282`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `errorfunctions` (lib test) due to 2 previous errors; 2 warnings emitted
[INFO] running `Command { std: "docker" "inspect" "6803234a4ba92d67ee403734ec16f5ee2b9ef0d7a92ce83afe6849a45a16a6aa", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6803234a4ba92d67ee403734ec16f5ee2b9ef0d7a92ce83afe6849a45a16a6aa", kill_on_drop: false }`
[INFO] [stdout] 6803234a4ba92d67ee403734ec16f5ee2b9ef0d7a92ce83afe6849a45a16a6aa